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Old 30 Mar 2013, 12:18 pm
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Default Why is my honda civic still overheating?

i recently bought this car, when i was replacing the thermostat it did not have one on, as soon as i placed the thermostat on it was overheating faster than when it did not have it on. any suggestions?
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Old 30 Mar 2013, 12:32 pm
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You bought someone else's problem. They removed the thermostat so it would run good enough to get you to buy it. Get a refund if you can. Might be a blown head gasket.
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Old 30 Mar 2013, 12:46 pm
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is your cooling fan working?
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Old 30 Mar 2013, 01:01 pm
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First - you do not need a thermostat, this is just so the engine heats up sooner so that you can get warm air into the car(if it is winter) Second, a quickly warmed engine will kick off the choke sooner so you are running leaner(not burning as much fuel) That is all.

You replaced the thermostat, which I am guessing was mounted on the bottom of the engine. You need to drain it again. Well, a good portion of it. Then tighten everything up. Now because it was a bottom mounted thermostat, you fill it differently than the engines of your father. Undo the radiator hose clamp and take off the radiator hose so you have a pipe into the engine. Into this rad hose you will bail in coolant from the coolant you collected. and fill it till it cannot take any more. Now put on the radiator hose and tighten the clamp>you have filled the back half of the motor with coolant<

Now you go to the upper tank made of plastic, unscrew the cap and fill that up, there will be air bubbles coming back as it fills the front of the engine and the water pump and the hoses and the heater core & you do this until no more air bubbles come out and you fill it to the brim and screw on the cap firmly.

. The radiator cap stays on the engine. You do not touch. Now you go to the overflow container which on most cars is mounted on the passenger fender wall. Pop off the top and fill it half full. This is in case there are still air bubbles in the system somewhere. Snap on the cap. Done. Go for a drive and it should be working correctly. Including cooling fan will now work.

.. That is how you refill a bottom mount thermostat system.>which all the new ones are now a days.
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